Using these flags, KBKeyClickPercent, KBBellPercent, KBBellPitch, KBBellDuration, KBLed, KBLedMode, KBKey, KBAutoRepeatMode and this structure
typedef struct { int key_click_percent; int bell_percent;/ int bell_duration; int led; int led_mode; /*LedModeOff LedModeOn*/ int key; int auto_repeat_mode; /*AutoRepeatModeOn AutoRepeatModeOff AutoRepeatModeDefault*/ } XKeyboardControl;one can change keyboard settings with
XChangeKeyboardControl(display,value_mask,values); XKeyboardControl *values XAutoRepeatOn(display) /* control keyboard auto repeat */ XAutoRepeatOff(display) /* control keyboard auto repeat */ XBell(display,percent)